Scientists say this “giant hot blob” is part of a deep mantle structure that has already helped tear continents apart once, ...
While technologies such as cloud seeding date to the 1970s, generating earthquakes and tsunamis with nuclear and hydrogen bomb explosions was done by the United States in the Bikini Atol of the ...
A scale drawing of a bridge has the same shape as the real bridge that it represents but a different size. Scale drawings close scale drawingAn accurate drawing, or model, of a representation of a ...
Back in the Stone Age, before we were all completely plugged in and focused on our gadgets at all times (you know, like, 2002), people would get ... bored. Of course, everyone still finds themselves ...
Valcamonica, situated in the Lombardy plain, has one of the world's greatest collections of prehistoric petroglyphs – more than 140,000 symbols and figures carved in the rock over a period of 8,000 ...
Ever felt like your artistic soul was trapped in this mouse-clicking and touchpad world? Now is the time to break free into the exciting world of graphic tablets. These nifty little devices are the ...
Each chapter will include a few questions designed to test your knowledge of material covered in the chapter and in the Internet-based resources. Your answers are not being recorded. Try the following ...